2006

6.4

2021

7.7

2010

7.1

2007

7.7

2015

7.9

2020

6.1

1982

6.4

1989

6.1

1928

6.0

2008

5.2

2003

5.0

2005

4.8

2009

5.7

1931

5.8

2019

7.5

7.8

2000

6.6

2010

6.0

1929

6.2

2021

0.0